Olanrewaju Ogunmefun, better known by his stage name Vector, is a Nigerian rapper and songwriter. He has released three studio albums, including State of Surprise and The Second Coming (2012). In anticipation of his second studio album, he released a mixtape titled Bar Racks. Lafiaji, his third studio album was released in December 2016. He also released a mixtape in October 2018, The Rap Dialogue, in an effort to keep the spirit of Nigerian hip-hop alive. In November 2019, his fourth studio album, Vibes Before Teslim: A Journey To Self-Discovery, was released.
He is the voice behind a Sprite commercial that aired on radio stations across Nigeria since 2009. He also had "the longest freestyle rap in Nigeria"
In November 2019, he signed a joint venture with Starstruck Management Inc and Create Music Group to release his 4th studio project Extended play titled "Vibes Before Teslim: The Journey To Self Discovery, Vector released his first official single "Kilode" for the album State of Surprise in February 2010. He later released the video for this single in June 2010. His second official single was "Mary Jane" which was released in April of the same year. The album was released on 29 October 2010, executive produced by Eloka "Culture" Oligbo. It featured 2 Face Idibia, General Pype,[12] Chuddy K, Ade Piper, Emmsong, Sista Soul and with productions from H-Code, Sam Klef, Da Piano, J-Smith, Xela Xelz and Vibez Production.
He released a video for the song "Get Down" featuring 2Face Idibia in June 2011. At the Nigerian Music Video Awards 2011, he was nominated for "Best Mainstream Hip Hop Video". He was nominated at the 2010 Nigeria Entertainment Awards for "Best Collaboration With Vocals" with the track "Champion" in which he was featured in by General Pype.
His singles "Angeli" ft. 9ice and "Mr. Vector" featuring Jazzy, both produced by Sagzy were released[16] on 19 May 2011 and were on heavy rotation on radio stations around the country. The video for "Angeli" was released in October 2011. In 2020, him alongside Bigtril, released a song called "og" that featured Raezy and Larry Gaaga. He has another collaboration with pallaso, called bubble remix.
Vector released the track "Born Leader" featuring Mavado of DJ Khaled's We the Best Music Group. "Born Leader" is Vector's third single off his second album titled The Second Coming. He shot the video in Miami, Florida and it was directed by Antwan Smith. In August 2013 he was featured by Pheelz a producer on a song titled "Popular" which gained airplay in radio stations across Nigeria.
In January 2015 Vector released a rap single titled "King Kong" and the video was released the same month. Vector released two remixes with the first one featuring Phyno, Reminisce, Classiq and Uzi, and the second remix featuring Ghanaian rapper Sarkodie which was released in May and June 2015 respectively. The video for the first remix was released in July 2015. On 15 July he released a fresh single titled "Kanawan Dabo" and on 24 July he released a freestyle titled "8". In May 2020, he signed a record deal with Def Jam Africa, a flagship of Def Jam Recordings in Nigeria.